K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just like other K&N Air Filters.

Product Features:

• Air filter top adds filter area
• Replaces metal factory filter lid with a lid with a built-in air filter top
• High air flow with excellent filtration
• Washable and reusable